Find cheap flights to San Juan, Puerto Rico by using Airfare's pioneering search engine software to compare the web's best airfare offers. Fly into nearest San Juan airports, including Vieques (VQS), Mercedita (PSE), and Culebra (CPX). The cheapest airfare ticket arriving in San Juan recently was just 516.98$ landing at Luis Munoz Marin (SJU) arriving from Afb (PBG). Find cheap flight tickets on airlines frequently arriving in San Juan, such as American Airlines (AA), Continental Airlines (CO), and Us Airways (US). Search the internet's best travel deals for flights to San Juan and worldwide on Airfare today.